I'm not afraid of making parts, especially not a key.
While I'm shopping, I may as well see if I can find something that fits as exactly as possible. Certainly there are lots of trade-offs for things like cost, location, speed of solution, etc.
I only mentioned the key because I thought it was odd that it didn't seem to be any kind of standard size, either english or metric.
I'm getting some good advice here, and I appreciate that, but please don't read in that I am looking for some exact plug-in solution.
-Rex